* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  height: 100vh;
  background: #eff0f4;
  overflow: hidden;
}

.box {
  position: relative;
  display: flex;
  justify-content: space-between;
  margin: 150px auto;
  width: 470px;
}

.box .content {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  width: 350px;
  height: 350px;
  padding: 60px 20px;
  box-shadow: inset 20px 20px 20px rgba(0, 0, 0, 0.05),
    25px 35px 20px rgba(0, 0, 0, 0.05), 25px 30px 30px rgba(0, 0, 0, 0.05),
    inset -20px -20px 25px rgba(255, 255, 255, 0.9);
  border-radius: 52% 48% 33% 67% / 38% 45% 55% 62%;
  transition: 0.5s;
}

.box .content:hover {
  animation: randomize-border-radius 20s infinite;
}

@keyframes randomize-border-radius {
  0% {
    border-radius: 52% 48% 33% 67% / 38% 45% 55% 62%;
  }
  20% {
    border-radius: 60% 50% 40% 60% / 50% 55% 60% 65%;
  }
  40% {
    border-radius: 45% 55% 50% 55% / 55% 60% 55% 50%;
  }
  60% {
    border-radius: 55% 45% 55% 45% / 60% 50% 60% 50%;
  }
  80% {
    border-radius: 50% 50% 50% 50% / 50% 50% 50% 50%;
  }
  100% {
    border-radius: 52% 48% 33% 67% / 38% 45% 55% 62%;
  }
}

.box .content::before {
  content: "";
  position: absolute;
  top: 50px;
  left: 85px;
  width: 35px;
  height: 35px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.9;
}

.box .content::after {
  content: "";
  position: absolute;
  top: 90px;
  left: 110px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: #fff;
  opacity: 0.9;
}

.box .content div {
  position: relative;
  width: 225px;
  border-radius: 25px;
  box-shadow: inset 2px 5px 10px rgba(0, 0, 0, 0.1),
    inset -2px -5px 10px rgba(255, 255, 255, 1),
    15px 15px 10px rgba(0, 0, 0, 0.05), 15px 10px 15px rgba(0, 0, 0, 0.025);
}

.box .content div::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 65%;
  height: 5px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 5px;
}

.box .content input {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  font-size: 16px;
  padding: 10px 15px;
}

.box .content input[type="submit"] {
  color: #fff;
  cursor: pointer;
}

.box .content div:last-child {
  width: 120px;
  background: #cee3e0;
  box-shadow: inset 2px 5px 10px rgba(0, 0, 0, 0.1),
    15px 15px 10px rgba(0, 0, 0, 0.05), 15px 10px 15px rgba(0, 0, 0, 0.025);
  transition: 0.5s;
}

.box .content div:last-child:hover{
    width: 150px;
}

.btns{
    position: absolute;
    right: 0;
    bottom: 0;
    width: 120px;
    height: 120px;
    background: #c61dff;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    font-size: 14px;
    box-shadow: inset 10px 10px 10px rgba(190, 1, 254, 0.05),
    15px 25px 10px rgba(190, 1, 254, 0.1), 15px 20px 20px rgba(190, 1, 254, 0.1),
    inset -10px -10px 15px rgba(255, 255, 255, 0.5);
    border-radius: 44% 56% 65% 35% / 57% 58% 42% 43%;
    transition: 0.25s;
}

@keyframes randomize-border-radius-btns {
    0% {
      border-radius: 44% 56% 65% 35% / 57% 58% 42% 43%;
    }
    20% {
      border-radius: 55% 45% 70% 30% / 60% 50% 45% 40%;
    }
    40% {
      border-radius: 50% 50% 60% 40% / 55% 55% 50% 50%;
    }
    60% {
      border-radius: 60% 40% 65% 35% / 50% 45% 55% 50%;
    }
    80% {
      border-radius: 45% 55% 60% 50% / 60% 50% 50% 60%;
    }
    100% {
      border-radius: 44% 56% 65% 35% / 57% 58% 42% 43%;
    }
  }

.register{
    bottom: 150px;
    right: 0px;
    width: 80px;
    height: 80px;
    border-radius: 49% 51% 52% 48% / 63% 59% 41% 37%;
    background: #01b4ff;
    box-shadow: inset 10px 10px 10px rgba(1, 180, 255, 0.05),
    15px 25px 10px rgba(1, 180, 255, 0.1), 15px 20px 20px rgba(1, 180, 255, 0.1),
    inset -10px -10px 15px rgba(255, 255, 255, 0.5);
    
}

.btns::before{
    content: "";
    position: absolute;
    top: 15px;
    left: 30px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #fff;
    opacity: 0.45;
}

.register::before{
    left: 20px;
    width: 15px;
    height: 15px;
}

.btns:hover{
    animation: randomize-border-radius-btns 15s infinite;
}
